python.TrackParticleImpactParameters Namespace Reference

Functions
	TrackParticleImpactParameters (TPD3PDObject, prefix='track', beam_suffix='beam', pv_suffix='pv', pvunbiased_suffix='pvunbiased')

Variables
	D3PD = CompFactory.D3PD

Function Documentation

TrackParticleImpactParameters()

python.TrackParticleImpactParameters.TrackParticleImpactParameters	(		TPD3PDObject,
			prefix = 'track',
			beam_suffix = 'beam',
			pv_suffix = 'pv',
			pvunbiased_suffix = 'pvunbiased' )

Add to a D3PD object blocks filling in impact parameter information.

TPD3PDObject should be a D3PD object for a TrackParticle
(could be an association).  This will add information for impact
parameters with respect to the beam spot and the primary vertex,
and the unbiased impact parameter with respect to the primary vertex.
The variable names are constructed using the prefix and *_suffix
arguments.

Definition at line 17 of file TrackParticleImpactParameters.py.

                                   pvunbiased_suffix = 'pvunbiased'):
    """Add to a D3PD object blocks filling in impact parameter information.
 
TPD3PDObject should be a D3PD object for a TrackParticle
(could be an association).  This will add information for impact
parameters with respect to the beam spot and the primary vertex,
and the unbiased impact parameter with respect to the primary vertex.
The variable names are constructed using the prefix and *_suffix
arguments."""
 
 
    #
    # Beamspot
    #
    BSPerigeeAssoc = SimpleAssociation \
                     (TPD3PDObject,
                      D3PD.TrackParticlePerigeeAtBSAssociationTool,
                      blockname = prefix + 'BSPerigeeAssoc',
                      prefix = prefix)
    def _trackToVertexHook (c, flags, acc, prefix, *args, **kw):
        from BeamSpotConditions.BeamSpotConditionsConfig import BeamSpotCondAlgCfg
        acc.merge(BeamSpotCondAlgCfg(flags))
        from TrackToVertex.TrackToVertexConfig import InDetTrackToVertexCfg
        c.Associator.TrackToVertexTool = acc.popToolsAndMerge (InDetTrackToVertexCfg (flags))
        return
    BSPerigeeAssoc.defineHook (_trackToVertexHook)
    BSPerigeeAssoc.defineBlock (1, prefix + 'Impact' + beam_suffix,
                                D3PD.PerigeeFillerTool,
                                FillThetaAndQoverP = False,
                                FillPhi = False,
                                Suffix = beam_suffix,
                                DefaultValue = -9999)
    BSCovarAssoc = SimpleAssociation \
                   (BSPerigeeAssoc,
                    D3PD.PerigeeCovarianceAssociationTool,
                    blockname = prefix + 'BSPerigeeCovarAssoc')
    BSCovarAssoc.defineBlock (1, prefix + 'ImpactSig' + beam_suffix,
                              D3PD.ImpactSigmaFillerTool,
                              Suffix = beam_suffix)
 
    #
    # Primary vertex
    #
    PVPerigeeAssoc = SimpleAssociation \
                     (TPD3PDObject,
                      D3PD.TrackParticlePerigeeAtPVAssociationTool,
                      blockname = prefix + 'PVPerigeeAssoc',
                      prefix = prefix)
    PVPerigeeAssoc.defineHook (_trackToVertexHook)
    PVPerigeeAssoc.defineBlock (1, prefix + 'Impact' + pv_suffix,
                                D3PD.PerigeeFillerTool,
                                FillThetaAndQoverP = False,
                                FillPhi = False,
                                Suffix = pv_suffix,
                                DefaultValue = -9999)
    PVCovarAssoc = SimpleAssociation \
                   (PVPerigeeAssoc,
                    D3PD.PerigeeCovarianceAssociationTool,
                    blockname = prefix + 'PVPerigeeCovarAssoc')
    PVCovarAssoc.defineBlock (1, prefix + 'ImpactSig' + pv_suffix,
                              D3PD.ImpactSigmaFillerTool,
                              Suffix = pv_suffix)
 

Variable Documentation

D3PD

python.TrackParticleImpactParameters.D3PD = CompFactory.D3PD

Definition at line 14 of file TrackParticleImpactParameters.py.